国家/地区 中国（7）
IPC部 C（7）
IPC大类 C04（7） E04（4） E21（3）
IPC小类 C04B（7）
IPC C04B028/04（7）
发明人
公开年 2023（7）
申请年 2022（5）  2023（2） 
专利权人

Grouting material useful for tunnel secondary lining, comprises cement, fly ash, quartz sand, silicon dioxide gas gel, graphene, dispersant, plastic expanding agent, expansion agent, antifoaming agent and low viscosity cellulose.

HAN D

Advanced deep hole liquid explosion fracturing structure useful for downlink comprehensive digging hard rock tunnel, has bag injecting pipe whose end is set on outer side of blast hole, and bag hole sealing device filled with special blasting hole sealing grouting material.

YANG S, TONG X, GAO A, YANG J, XU G

Prefabricated building block used in isolation body for underground sealing, has cuboid with honeycomb skeleton structure, and pores of honeycomb skeleton structure are filled with graphite polystyrene foam particles, where honeycomb skeleton structure includes silicate cement, fiber and graphene.

YU J, SHI J, WU W

Environmentally-friendly wall brick used in filling wall and bearing wall, comprises fly ash, coal gangue, waste concrete, graphene oxide, cement, water reducing agent, retarder, and water.

FU Y, WANG C, HOU B

Leveling and preparing elastic sound-insulating floor slab, comprises using laser scanning to obtain height difference and distribution of floor, arranging damping springs on floor, leveling floor, spraying interface agent and laying thick elastic sound-insulating coating on interface layer.

YANG Y, WANG L, ZHAO Z, WU Y, MA Y

Anti-virus high-strength decorative board used for home and public environment for protecting human health for long time, has high-strength fiber baseplate, decorative layer above high-strength fiber baseplate, and kraft paper layer above decorative layer.

REN G, ZHANG W, XIONG H, XU J, LI J

Concrete for manufacturing hollow steel pipe concrete rectangular beam, comprises cement, aggregate, basalt fiber, calcined clay, fly ash, graphene modified aluminosilicate mineral, excitant, gas, gas gel expanded perlite, and water.

ZOU D, LI W, DUAN S, DENG X